CVE-2021-43279
CVE-2021-43279 is a high-severity vulnerability in Opendesign Oda Prc Software Development Kit with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 1% (67th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Opendesign Oda Prc Software Development Kit
- Published:
- Last modified:
Description
An out-of-bounds write vulnerability exists in the U3D file reading procedure in Open Design Alliance PRC SDK before 2022.10. Crafted data in a U3D file can trigger a write past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.
Frequently asked questions
- What is CVE-2021-43279?
- An out-of-bounds write vulnerability exists in the U3D file reading procedure in Open Design Alliance PRC SDK before 2022.10. Crafted data in a U3D file can trigger a write past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.
- How severe is CVE-2021-43279?
- CVE-2021-43279 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-43279 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-43279?
- CVE-2021-43279 affects Opendesign Oda Prc Software Development Kit. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-43279?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-43279 published?
- CVE-2021-43279 was published on 2021-11-14 and last updated on 2026-06-17.
References
- https://www.opendesign.com/security-advisories
- https://www.zerodayinitiative.com/advisories/ZDI-21-1337/
Affected products (1)
- cpe:2.3:a:opendesign:oda_prc_software_development_kit:*:*:*:*:*:*:*:*
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